The symptoms and feelings of phlegm blockage in the throat are often related to chronic inflammatory diseases in the throat, as follows: 1) there may be thick secretions on the mucous membrane surface of the throat, which are difficult to cough up or spit out smoothly; 2) patients often have the pathogenic factors of speaking with their voices or even shouting too much; 3) there may be more smoking, drinking, eating 4. Infectious inflammatory diseases in the nasal cavity and sinus area may cause inflammatory secretions in the nose to flow back into the throat repeatedly, which may lead to chronic inflammation in the throat and cause repeated phlegm symptoms in the throat, and require active symptomatic treatment and improvement measures.